What does '0.25mm oversized' mean for these rod bearings?

This means the bearings are slightly larger than standard size by 0.25mm. They are intended for use when the crankshaft journals have been machined down by 0.25mm during an engine rebuild to ensure a proper fit and oil clearance.

Why are aluminum rod bearings a good choice for an engine rebuild?

Aluminum alloy bearings are popular for rebuilds because they offer good thermal conductivity, helping to dissipate heat away from the crankshaft. They also provide a strong bearing surface that can handle the loads encountered during engine operation.

Do I need to measure my crankshaft journals before ordering these bearings?

Yes, it's highly recommended. If your crankshaft journals have been machined down for a rebuild, you need to measure them to confirm they are 0.25mm undersize to ensure these oversized bearings will provide the correct oil clearance.

ACL 00+ Toyota 2AZFE (2.4L) 0.25mm Oversized Aluminum Rod Bearing Set

Specifications

Brand: ACL
Part #: 4B8411A-.25
UPC: 9315726312728

ACL 00+ Toyota 2AZFE (2.4L) 0.25mm Oversized Aluminum Rod Bearing Set

Name: ACL 00+ Toyota 2AZFE (2.4L) 0.25mm Oversized Aluminum Rod Bearing Set
Brand: ACL
Price: 23.24 USD
Availability: InStock

$23.24

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Fits 2010-2012 Lexus HS250h. ACL 0.25mm oversized aluminum rod bearing set for the 2.4L 2AZFE engine. Essential for engine rebuilds.

Key Features

Fits 2010-2012 Lexus HS250h.
Designed for the 2.4L 2AZFE engine.
Set of 0.25mm oversized aluminum rod bearings.
Aluminum alloy construction offers good thermal properties.
Essential for engine rebuilds and repairs.

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Fits this vehicle

Lexus HS250h 2010-2012

Product Details

Doing an engine rebuild on your 2010-2012 Lexus HS250h with the 2.4L 2AZFE engine? These ACL aluminum rod bearings are a critical component for that job. Rod bearings sit between the connecting rod and the crankshaft, allowing the rod to spin smoothly while handling significant loads. When you're rebuilding an engine, especially if you're dealing with worn components or looking to improve reliability, replacing these bearings is a must.

ACL is a well-known name in engine bearings, and this set is made from aluminum alloy, which is a common material for performance and performance rebuilds because it offers good thermal conductivity and a solid bearing surface. This particular set is 0.25mm oversized, meaning they are designed to be used when the crankshaft journals have been machined down by 0.25mm to clean them up or account for wear. Using the correct size bearing is crucial for maintaining proper oil clearance, which is key to engine longevity and performance.

When you're putting an engine back together, getting the bearing clearances right is one of the most important steps. These ACL bearings are a solid option for your HS250h rebuild.